Additional Information • No set up required. Just open the box and play. • Your kids will play with them, on them and all around them. • Made in the USA. • 192 piece set. • Large blocks are 3-1/4" tall by 3-7/8" wide and 7-3/4" long. • The half-size blocks are 3-1/4" tall by 3-7/8" wide by 3-7/8" long